I quantity



Beit known that we, Jnnzs llo'iiiiiuiss V ja'nd \\"i|.i.|.\.\rl1 l. Sciioriizign, of Yellow v Springs,-iu the county of Greene and State of Ohio, have invented a new and 'useful improvement 'in Machines foi-'Molding aml vPressing Bricks; and we'do hereby declare that. the following. is va full and exact le-- -scriptiou thereof, reference being had to the accompanying lraiwuigs,4 making -part of this specification, Figure 1 being a ver.

tical section of the machine in theplaue indicated hy 'the lines fw v'u-,fl `if rs.'3 and 4: Fig. 2, a vertical section thereof inthe plane `indicated bythe linea' :11, li`igs. 3 and-4: Fig. 3, a horizontal sect ion'of the same iu the plane' indicated hy theV line 4 1/ i 1/. -l"igs.

.1 and 2; Fig. 4. a horizontal section in the plane indicated by the line z 2, Figs..1 and 2; Fig. 5,'a vertical section at u'u, Figs. Il and 4; Fig. t3, a vertical Asection atA y, g, l"igs. 3 and 4; .F ig. 'i'. view in perspective of l a part detached; Fig. 8, a plan of the bottom of the same part; Fig. 9, a diagram showing a modification of the mode of arranging certain parts.

Like letters designate parts in all the figures.

The action of the machine is rotary and continuous. The main parts are, a bottom plate D, suitably arranged for supporting the other parts, a horizontal wheel E. in which the driving shaft B, is attached forv producing all the movements of the machine, a stationary, top plate C, which covers theworking parts, and serves for mounting certain other portions of .the machine upon, and a pug mill A, which delivers the clay to the molds. The whole may be con-v structed of any suitable material, but we contemplate making vthe machine 'ofl eastiron.

' The mold wheel E, is of a 'size suited to the desired capacity and capability of the lso machine. For making bricks of ordinary size, its rim c. is of a width suicent to allow the length of the. mold spaces (l. 1, .to be formed radially 'across it, leavinga necessary width of margin at the inner and `outer edges thereof, and of proper thickness to form the bricks of the desired thickness. making'the proper allowance for the amount of compression to be given to the clay. The molds d, d, are situated at equal distances from the center of the wheel, and'. at unidesirable. HA; radialarm 'or' sp ke,f l 1,".ex

'tends from the rimto the nave-ofthe' 'wlieehu centrally "opposite'to' each mold-1 7.' Theseof arms are thicker vtliaiitlie rim, so yasto a llo\\V44 ways, or grooves, f, f.v in' the A'upper 4aud- 'lower sides of each, to lai-formed foi-the re- 'ception of sliding blocks-G," (lf,\ vhich ive-' denoi'ninate:the plunger carriers-f." 'Iliese':

corresponding in 'tbe'whole rimas may-belconvenient or' plunger carriers Figs. 7 and 8) Vhave plane,..-

smooth inner-surfac s which slide'radially--- rfaces oftherm c-fof the mold wheel; 'thus closely covering the mouths ofthe' molds-draad aA suieient 70 margin all around, when drawn outward to j.;

In the under face of eacli.

iii-,contact with the their full, extent.

form `d istances apa rt, v there' being a'smany..

topplunger carrieiiis situated a plunger H, Y

=and in the upper face. of cach bottoni plunger carrier is situated a plunger I.

'l'licse pluugers lit Iinto cavities iii the plunger carriers so that tliev maysink en#4 tirely lwneath the surface of the same when desired. Their faces are of.the precise 1 shape and size of the molds d, d. and are brought accurately 'opposite said molds when the plunger' carriers are moved out#- ward to their farthest extent, in order that they may be forced into the vsaid molds, as hereinafter described.

J. d, are most properlymade of steel,- so that a proper degree of Vhari'tness may be given to them for preventing",- t'he'ir wearing away or abradmfr.. They are-respectively 00 provided with shanks ajh, i, 'titting in,

The faces lof the 185 plungeis, as well as the sides of the molds.

of the-plungers are communicated theretf- If hv means of tliese slianks. which, to diminish the friction of contact with the other arts,'.

are, or may be, 'provided .with anti-friction rollers l, l, in the manner represented.

Themovements given to the top'plunger.l 106 carriers. are, a radialiiiovement inward, to'- .ward the center of the mold wheel, to allow and an outward radial movement to bring pose offpressing and discharging the lbricks, the two movements alternating. '1 The movements given to the under plunger carrier are, a radial liiovement; outward 'to close the molds to be filled from the-pug mill,"v

their pluiigcrs over the molds for tliepui- 101il le lmfmsof the molds for receiving the j 'open the molds, on thil lower side, for the disehai'ge'oftheJ hiielisgtlie two movements likewise alternating. 'l'liese movements are mold wheel liriiiging the sliaiilis'li li. and Lofl the pliingers. "respeetively iireoiitaet with stationanv ea'iiis. of the. proper foi'iiis.- on the inner fat-es' of tlie'siipportiiig plates C, D. represented as heing the iiiarginsof grooves 'suiik iii-the fares of the plates. iii which grooves'the shault's of' the -pliiiigers are moved, the groove lt. tl `ig.2'.iv aetiiating the under plunger earriers. and the groove i S', lfig. 4.) aetuating the iip'per'plunger eaiiieis. 4lliit -we eonteiiiplate eiiiplo viiig i thin plates t. l). to insure'liglitiiess. and to seeure upon theiisiirfai'es .separate and adjiistahle eanis. as iiidieated in Fig. 9. in vwhich the eaiii 'S'. gives the inward. and S. .the outward.- movement to the upper plimgei.carriers, heiiiseeiired to the top plate, while the eani lt' givesthe inward. and Rf and R'" iespeetively give the outward"f lmovement to. and retain. the. plunger earj riers in their proper positions, .said eaiiis plate, D.

' At a siiitalile distant-e (sa)- one fourth-ot the circle) from tlie pug iiiill T\. in the di- :ii'e upon. or attaehed to. the opposite iiiner faces of the plates t, l). respeetively two .eanis .\l, X. whieli are at siieli distances ahove and helow the molding wheel that when the pliingers lll. of a mold 40- (heilig, at this part of their eireuit, lit-ought l exactly opposite the mouths of the mold. h v their plunger earriers) are hi'ouglit het ween them said plunger will he foreed into the 'inold equally and siitlieiently to give the requisite amount of eonipressioir hriek therein, as iiidieated in4 Figs. land (i. The lower plunger vI falls, hy -its own weight, from the mold as soon astlie eani N, is passed. Farther around in the .eirele,

' (say in position opposite to the pug iiiill,) there'is an aperture 'l`. through the hott'oin plate D. through whieli the, hrielt's are discharged from thel molds. 'lo accomplish claylfroin tlie'pug` inilhuas ivella'sto hotd their plungers to the moldsfor pressing the hrieks,`aiid`-aii inward radial movement, tov etl'eeted {h v' thel revolvinginotioii l-ot theing he'ing seeured to the fare ofthe hottom' i'ection of thc molding wlieel`s motion. there' to the.

'in the direction of the mold wheel's motion,

this, the hottom plunger l, and its earrier down in' the mold, by a (f aiii' L, oii t,lie.iinder surfaee of the upper plateC', as represei'ited .in Figs. lz'and ahove itsl .surface theprojecting pivot y, of the anti-frietii'in roller z, iii each top plunf f, Then, as' the ger shaiik/l; as represented.' or tliej project-"- 'iiig edges of' the roller itat plungers are thus. raised hv Asaid'caii'i 1, out.

ward ino'venient of the-phuiger earrier romrier is drawn' inward. and ltlie'tiiider plun'-A ger earrier outward. for reeeiviiig the clay 't'roni the pii; r -inill:'then.v as th'e -wheel passes around, ilie 'under plunger earriei remains out'gandthe upper plunger. earrier is toreed outward: the pressure isthen eoiiiiiiiiiiieated to t its earrier drawn in away therefrom, after whieli the upper plunger is forced down into the niold h v another eatin L, till the liriek is removed. and tiiially the said upper R he liriek h v the action of the e'aiiis )L X. on the phingers;'-then the vlower plunger dest-ends from the inold, aiid tion to each other iiixthe manner-and for the -liui'poses :set forth.;

' JAMES HOTCHKI SS. WILLIA ll. SCHOFIELDf vtui-rases as to Hotchkiss: 'i EMMA Bui',-

S. MA. Lizwls.

Wtnessesas to the signature of William the signature of Ja'iiies 'A 

